“But whilst he is at Holby, he notices that something isn’t right and that there are things going on, well he discovers something is wrong.
“And, that is all I am allowed to say, so.”
Alex introduced a clip from next week’s episode, but when they came back it was John’s turn to get a little bit embarrassed.
As Rylan went to ask another question Alex interrupted and said: “You look very attractive John in Holby City, it must be said.”
John didn’t quite know how to respond and was quiet for a moment, so he very quickly thanked her and tried to move the show on.
The One Show airs on BBC One weekdays at 7pm.